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How to store standard error in a variable
Let's say I have a script like the following:
18 Answers
18
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How to check if a file is empty in Bash?
....txt
else
rm -f full.txt
touch empty.txt
fi
I like shell scripting a lot, but one disadvantage of it is that the shell cannot help you when you misspell, whereas a compiler like your C++ compiler can help you.
Notice incidentally that I have swapped the roles of empty.txt and full...
How to create a database from shell command?
...
@Clifford: you could using simple (ba)sh script using normal shell arguments. (stackoverflow.com/questions/23563043/shell-script-arguments) Probably merits its own question.
– Kris
Mar 11 '16 at 20:42
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How to set up Spark on Windows?
...ou this version: Hadoop 2 (HDP2, CDH5)
Since version 1.0.0 there are .cmd scripts to run spark in windows.
Unpack it using 7zip or similar.
To start you can execute /bin/spark-shell.cmd --master local[2]
To configure your instance, you can follow this link: http://spark.apache.org/docs/latest/
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Is there any way to change input type=“date” format?
...39 is a correct one, as it does not create a coupling between HTML and JavaScript. As for your second point, I'd feel that from a usability perspective, it would make sense for the user to see the calendar according to his regional preferences.
– David Walschots
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How do I dynamically change the content in an iframe using jquery?
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<html>
<head>
<script type="text/javascript" src="jquery.js"></script>
<script>
$(document).ready(function(){
var locations = ["http://webPage1.com", "http://webPage2.com"];
var len = locations.lengt...
simulate background-size:cover on or
... over for a while, but I came across a great solution that doesn't use any script, and can achieve a perfect cover simulation on video with 5 lines of CSS (9 if you count selectors and brackets). This has 0 edge-cases in which it doesn't work perfectly, short of CSS3-compatibility.
You can see an e...
How to clear gradle cache?
...comments, there might be a gradle.properties file as well as global gradle scripts located under $HOME/.gradle. In such case special attention must be paid when deleting the content of this directory.
The .gradle/caches directory holds the Gradle build cache. So if you have any error about build ca...
error_log per Virtual Host?
...in .htaccess or you can have users use ini_set() in the beginning of their scripts if they want to have logging.
Another option would be to enable scripts to default to the php.ini in the folder with the script, then go to the user/host's root folder, then to the server's root, or something similar...
How can I convert a string to upper- or lower-case with XSLT?
...="msxsl">
<xsl:output method="xml" indent="yes"/>
<msxsl:script implements-prefix="utils" language="C#">
<![CDATA[
public string ToLower(string stringValue)
{
string result = String.Empty;
if(!String.IsNullOrEmpty(stringValue))
{
...